The neural tube, which becomes the brain and spinal cord, starts forming. You might miss your period. Avoid alcohol and smoking to protect early development.
Week 26 - Eye Opening
Week 5 - Heartbeat Begins
Mood Swing Support
Week 6 - Limb Buds Appear
Week 27 - End of Second Trimester
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Week 31 - Bone Strengthening
Week 17 - Fat Layers Develop